Yamaha IT 175 (1983) vs BMW M 1000RR / M Package (2023)
Comparison technical specifications
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| Make: | Yamaha | BMW |
| Model: | IT 175 | M 1000RR / M Package |
| Years: | 1983 | 2023 |
| Engine: | Two stroke, single cylinder, reed-valve inducted | Four stroke, transverse four cylinder, DOHC, 4 titanium valves per cylinder and BMW ShiftCam |
| Capacity: | 171 cc / 10.4 cu-in | 999 cc / 60.9 cu-in |
| Bore x Stroke: | 66 x 50mm | 80 x 49.7 mm |
| Cooling System: | Air cooled | Water/oil cooled |
| Compression Ratio: | 7.9:1 | 13.5:1 |
| Starting: | Kick | Electric, 0.8 kW |
| Max Power: | 19.86 hp / 14.6 kW @ 8000 rpm | 158 kW / 212 hp @ 14500 rpm |
| Max Torque: | 18.47 Nm / 13.63 lb-ft @ 7500 rpm | 113 Nm / 83 lb-ft @ 11000 rpm |
| Clutch: | Wet, multi-disc | Multiplate clutch in oil bath, slipper clutch |
| Transmission: | 6 Speed | Claw-shifted 6-speed gearbox with straight cut gears |
| Final Drive: | Chain | Chain 525 17/46 |
| Frame: | Single-downtube, full cradle, chromoly frame, box section aluminum swingarm | Bridge-type frame, cast aluminium, load-bearing engine |
| Front Suspension: | Telescopic forks | 45mm Upside-down telescopic fork, spring preload, rebound and compression stages adjustable |
| Rear Suspension: | Monoshock with adjustable damping and pre-load | Aluminium swing arm, full floater pro, compression and rebound damping adjustable, adjustable spring preload |
| Front Brakes: | Drum | M 2x 320mm discs, M Brake 4-piston fixed caliper |
| Rear Brakes: | Drum | M single 220 mm disk, 2-piston fixed caliper |
| Front Tyre: | 3.00 x 21 | 120/70 ZR17 |
| Rear Tyre: | 4.10 x 18 | 200/55 ZR17 |
| Wheelbase: | 1417 mm / 55.8 in | 1457 mm / 57.3 |
| Seat Height: | 899 mm / 35.4 in | 832 mm / 32.7 in |
| Wet Weight: | 104.1 kg / 229.5 lbs | 193 kg / 425.4 lbs 191.8 kg / 422.8 lbs - M Competition Package |
| Fuel Capacity: | 11 Litres / 2.9 US gal | 16.5 Litres / 4.4 US gal |